001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2009 SonarSource SA 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.squid.indexer; 021 022 import org.sonar.squid.api.Query; 023 import org.sonar.squid.api.SourceCode; 024 025 public class QueryByType implements Query { 026 027 private final Class<? extends SourceCode> resourceType; 028 029 public QueryByType(Class<? extends SourceCode> resourceType) { 030 if (resourceType == null) { 031 throw new IllegalStateException("The type of resource can't be null !"); 032 } 033 this.resourceType = resourceType; 034 } 035 036 public boolean match(SourceCode unit) { 037 return unit.isType(resourceType); 038 } 039 040 @Override 041 public boolean equals(Object o) { 042 if (this == o) { 043 return true; 044 } 045 if (!(o instanceof QueryByType)) { 046 return false; 047 } 048 049 QueryByType that = (QueryByType) o; 050 051 if (resourceType != null ? !resourceType.equals(that.resourceType) : that.resourceType != null) { 052 return false; 053 } 054 055 return true; 056 } 057 058 @Override 059 public int hashCode() { 060 return resourceType != null ? resourceType.hashCode() : 0; 061 } 062 }